The simulated parking record test system is a joint project of Wuxi Internet of Things Industry Research Institute.Hunan Yongyi Technology Co., Ltd.An experimental platform test system for full inspection of parking lot probes. The design, control and inspection of the space magnetic field and its related software (simulating the parking action of the car) are providedHunan Yongyi Technology Co., Ltd.Completed; The test probe and its management software were designed and completed by Wuxi Industrial Network Research Institute, forming a complete set of simulated parking automatic management system, which can meet the full inspection of the probe configured in the parking lot and ensure the qualified rate of 100 for the embedded probe in the construction.
1. FE-1000MF one-dimensional magnetic field generating coil (vertical magnetic field)
The FE-1000MF one-dimensional magnetic field coil is a new type of magnetic field coil (declared invention patent) independently developed by Hunan Yongyi Technology Co., Ltd., and the coil can produce a large area of uniform magnetic field in a limited space. More traditional squarehaimu holtz coilThe volume is reduced by 2-3 times, suitable for installation in a limited space. The specific technical indicators of the coil are as follows:
1. Coil specification: the side length is 2.400m × 2.400mm, and the skeleton is made of aluminum alloy (one set for the main coil and one set for the auxiliary coil);
2. Enameled wire diameter of wound coil: Ø2.0mm, temperature resistance grade 140 °;
3,Helmholtz coilCan be placed left and right to generate a horizontal magnetic field (if you need to generate a vertical magnetic field, please declare);
4. Central magnetic field strength:-200uT ~ 200uT;
5. Average and area range: 1000mm × 1000mm × 1000mm, uniformity better than 1.0;
6. Corresponding magnetic field: When 6A constant current works, the magnetic field is greater than 2.0Oe, and it can be used continuously under the condition of maximum magnetic field (air flow environment).
2. FE-2100 Automatic testing system for magnetic materialsV1.0 Technical Notes
The FE-2100 magnetic material automatic test system V1.0 is owned by Hunan Yongyi Technology Co., Ltd.magnetic measurementandMagnetic field generation test equipmentThe software and sampling part of the assembly, including the use of C# test software and data acquisition card, gradient magnetic field control, acquisition, etc. Several important parameters of the relevant interface are described as follows:
1. Background geomagnetic field (Figure 3): the magnetic field of the environment under the condition of zero input current of the coil;
2. Real-time sampling waveform (Figure 1); The experimental magnetic field with background magnetic field and coil magnetic field superimposed, including the actual acquisition of current and magnetic field;
3. Real-time current waveform (Figure 2): simulate the current control and acquisition required to apply the magnetic field in 64 parking spaces;
4. Relative magnetic induction waveform (Figure 3): remove the absolute value of the magnetic field change of the background magnetic field;
5, parking lot parking detector simulation experiment report (Figure 4): random magnetic field control test magnetic induction probe reliability report, verify the reliability of the entire management system.
Actual acquisition of current and magnetic field
The magnetic field needs to be applied to the current control and acquisition
Absolute value of magnetic field change by removing background magnetic field
Random magnetic field control test magnetic induction probe reliability report
3. FE-2100SD programmable DC test power supply
1. Input: single-phase AC 220V ± 20V,10A;
2. Programmable DC constant current output, output current range:-8.000A ~ 8.000A;
3. Output voltage range:-35V ~ 35V;
Current uncertainty: 0.1%, stability better than 0.05%;
5. Program-controlled interface: USB,AD/DA
4. 9200B single-axis fluxgate magnetometer
The 9200B single-axis fluxgate magnetometer is produced by Shanghai Haizhang Electronic Technology Co., Ltd. The product is one of the more advanced products in China. It has been matched with our company's products for many years for a long time. The quality is relatively stable and the price has a great advantage over foreign products.
1. Test range: 0 ~ ± 199999nT, without range conversion
2. Accuracy:<± 1% F.S.;
3. Display: 6-bit high-brightness LED display (or LCD display optional), display format "± 199999" nT;
4. Resolution: 10nT;
5. Noise:<10nT ± 1 word
6. The attachment has a one-key reset function (the geomagnetic field can be directly deducted), which is convenient for testing the absolute value of the magnetic field;
7. With RS232 data interface.
5. loading platform:
According to the requirements of the demand side, it is designed with non-magnetic aluminum alloy material. There are 4 carrier plates, each of which can carry 16 experimental sensors, and 64 sensors can be tested in one experiment.
1. The parallelism between the loading platen and the magnetic field (or the verticality is better than 0.2 °) to ensure the accuracy of the experimental magnetic field;
2. The carrier plate is processed with 10mm thick bakelite, and the sensor device is set to fix the station card to ensure the fixation of the experimental workpiece;
3. The fixed plate is designed with aluminum alloy frame, equipped with chute and stop structure, which is convenient for the installation of 4 test carrier plates.
Hunan Yongyi Technology Co., Ltd.The company has successively completed relevant magnetic field design and control projects for the gyroscope experimental platform of the National University of Defense Technology, the Shanghai Astronomical Observatory of the Chinese Academy of Sciences, and the Texas University of the United States. The company has reached a new level in simulating large-scale uniform magnetic field areas and carrying out control and measurement technology, and will promote and use products in more fields to benefit the industry.
